00001 /* 00002 * Copyright 2006-2008 The FLWOR Foundation. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef ZORBA_INTERNAL_PROXY_H 00018 #define ZORBA_INTERNAL_PROXY_H 00019 00020 namespace zorba { 00021 namespace internal { 00022 namespace ztd { 00023 00024 /////////////////////////////////////////////////////////////////////////////// 00025 00026 /** 00027 * \internal 00028 * A %proxy<T> is-a \c T that also contains a T* -- a pointer to the original. 00029 */ 00030 template<class OriginalType> 00031 class proxy : public OriginalType { 00032 public: 00033 proxy( OriginalType *p ) : original_( p ) { } 00034 00035 OriginalType* original() const { 00036 return original_; 00037 } 00038 private: 00039 OriginalType *original_; 00040 }; 00041 00042 /////////////////////////////////////////////////////////////////////////////// 00043 00044 } // namespace ztd 00045 } // namespace internal 00046 } // namespace zorba 00047 #endif /* ZORBA_INTERNAL_PROXY_H */ 00048 /* vim:set et sw=2 ts=2: */